Hybrid maize plant and seed 39D81

Abstract

According to the invention, there is provided a hybrid maize plant, designated as 39D81, produced by crossing two Pioneer Hi-Bred International, Inc. proprietary inbred maize lines. This invention relates to the hybrid seed 39D81, the hybrid plant produced from the seed, and variants, mutants, and trivial modifications of hybrid 39D81. This invention also relates to methods for producing a maize plant containing in its genetic material one or more transgenes and to the transgenic maize plants produced by that method. This invention further relates to methods for producing maize lines derived from hybrid maize line 39D81 and to the maize lines derived by the use of those methods.

What is claimed is:  
     
       1. Hybrid maize seed designated 39D81, representative seed of said hybrid 39D81 having been deposited under ATCC accession number PTA-1703. 
     
     
       2. A maize plant, or its parts, produced by the seed of  claim 1 . 
     
     
       3. Pollen of the plant of  claim 2 . 
     
     
       4. An ovule of the plant of  claim 2 . 
     
     
       5. A tissue culture of regenerable cells of a hybrid maize plant 39D81, representative seed of said hybrid maize plant 39D81 having been deposited under ATCC accession number PTA-1703, wherein the tissue regenerates plants capable of expressing all the morphological and physiological characteristics of said hybrid maize plant 39D81. 
     
     
       6. A tissue culture according to  claim 5 , the cells or protoplasts being from a tissue selected from the group consisting of leaves, pollen, embryos, roots, root tips, anthers, silks, flowers, kernels, ears, cobs, husks, and stalks. 
     
     
       7. A maize plant, or its parts, regenerated from the tissue culture of  claim 5  and capable of expressing all the morphological and physiological characteristics of hybrid maize plant 39D81, representative seed having been deposited under ATCC accession number PTA-1703. 
     
     
       8. A maize plant according to  claim 2 , wherein the genetic material of said plant contains one or more transgenes. 
     
     
       9. A maize plant according to  claim 2 , wherein the genetic material of said plant contains one or more genes transferred by backcrossing. 
     
     
       10. A maize plant, or its parts wherein at least one ancestor of said maize plant is the maize plant, or its parts of  claim 9 , said maize plant capable of expressing a combination of at least two 39D81 traits selected from the group consisting of: a relative maturity of approximately 82 based on the Comparative Relative Maturity Rating System for harvest moisture of grain, consistent high grain and silage yield, above average seedling vigor, very good drought tolerance, good dry down, very good root lodging resistance, very good husk cover, stable yield across environments, and is well suited to the Northwest, and Northeast regions of the United States and also to Canada including Ontario and Quebec. 
     
     
       11. A maize plant, or its parts, having all the morphological and physiological characteristics of the plant of  claim 2 . 
     
     
       12. A maize plant, or its parts, wherein at least one ancestor of said maize plant is the maize plant, or its parts, of  claim 11 , said maize plant capable of expressing a combination of at least two 39D81 traits selected from the group consisting of: a relative maturity of approximately 82 based on the Comparative Relative Maturity Rating System for harvest moisture of grain, consistent high grain and silage yield, above average seedling vigor, very good drought tolerance, good dry down, very good root lodging resistance, very good husk cover, stable yield across environments, and is well suited to the Northwest, and Northeast regions of the United States and also to Canada including Ontario and Quebec. 
     
     
       13. A method for developing a maize plant in a maize plant breeding program using plant breeding techniques, which include employing a maize plant, or its parts, as a source of plant breeding material, comprising: obtaining the maize plant, or its parts, of  claim 2  as a source of said breeding material. 
     
     
       14. The maize plant breeding program of  claim 13  wherein plant breeding techniques are selected from the group consisting of: recurrent selection, backcrossing, pedigree breeding, restriction fragment length polymorphism enhanced selection, genetic marker enhanced selection, and transformation. 
     
     
       15. A method for developing a maize plant in a maize plant breeding program using plant breeding techniques, which include employing a maize plant, or its parts, as a source of plant breeding material, comprising: obtaining the maize plant, or its parts, of  claim 8  as a source of said breeding material. 
     
     
       16. The maize plant breeding program of  claim 15  wherein plant breeding techniques are selected from the group consisting of: recurrent selection, backcrossing, pedigree breeding, restriction fragment length polymorphism enhanced selection, genetic marker enhanced selection, and transformation. 
     
     
       17. The maize plant of  claim 11  wherein said maize plant is male sterile. 
     
     
       18. A method for developing a maize plant in a maize plant breeding program using plant breeding techniques, which include employing a maize plant, or its parts, as a source of plant breeding material, comprising: obtaining the maize plant, or its parts, of  claim 9  as a source of said breeding material. 
     
     
       19. The maize plant breeding program of  claim 18  wherein plant breeding techniques are selected from the group consisting of: recurrent selection, backcrossing, pedigree breeding, restriction fragment length polymorphism enhanced selection, genetic marker enhanced selection, and transformation. 
     
     
       20. A maize plant, or its parts, wherein at least one ancestor of said maize plant is the maize plant, or its parts, of  claim 8 , said maize plant capable of expressing a combination of at least two 39D81 traits selected from the group consisting of: a relative maturity of approximately 82 based on the Comparative Relative Maturity Rating System for harvest moisture of grain, consistent high grain and silage yield, above average seedling vigor, very good drought tolerance, good dry down, very good root lodging resistance, very good husk cover, stable yield across environments, and is well suited to the Northwest, and Northeast regions of the United States and also to Canada including Ontario and Quebec. 
     
     
       21. A hybrid maize plant according to  claim 11 , wherein the genetic material of said plant contains one or more transgenes. 
     
     
       22. A maize plant, or its parts, wherein at least one ancestor of said maize plant is the maize plant, or its parts, of  claim 21 , said maize plant capable of expressing a combination of at least two 39D81 traits selected from the group consisting of a relative maturity of approximately 82 based on the Comparative Relative Maturity Rating System for harvest moisture of grain, consistent high grain and silage yield, above average seedling vigor, very good drought tolerance, good dry down, very good root lodging resistance, very good husk cover, stable yield across environments, and is well suited to the Northwest, and Northeast regions of the United States and also to Canada including Ontario and Quebec. 
     
     
       23. A method for developing a maize plant in a maize plant breeding program using plant breeding techniques, which include employing a maize plant, or its parts, as a source of plant breeding material, comprising: obtaining the maize plant, or its parts, of  claim 21  as a source of said breeding material. 
     
     
       24. The maize plant breeding program of  claim 23  wherein plant breeding techniques are selected from the group consisting of: recurrent selection, backcrossing, pedigree breeding, restriction fragment length polymorphism enhanced selection, genetic marker enhanced selection, and transformation. 
     
     
       25. A hybrid maize plant according to  claim 11 , wherein the genetic material of said plant contains one or more genes transferred by backcrossing. 
     
     
       26. A maize plant, or its parts, wherein at least one ancestor of said maize plant is the maize plant, or its parts, of  claim 25 , said maize plant capable of expressing a combination of at least two 39D81 traits selected from the group consisting of: a relative maturity of approximately 82 based on the Comparative Relative Maturity Rating System for harvest moisture of grain, consistent high grain and silage yield, above average seedling vigor, very good drought tolerance, good dry down, very good root lodging resistance, very good husk cover, stable yield across environments, and is well suited to the Northwest, and Northeast regions of the United States and also to Canada including Ontario and Quebec. 
     
     
       27. A method for developing a maize plant in a maize plant breeding program using plant breeding techniques, which include employing a maize plant, or its parts, as a source of plant breeding material, comprising: obtaining the maize plant, or its parts, of  claim 25  as a source of said breeding material. 
     
     
       28. The maize plant breeding program of  claim 27  wherein plant breeding techniques are selected from the group consisting of: recurrent selection, backcrossing, pedigree breeding, restriction fragment length polymorphism enhanced selection, genetic marker enhanced selection, and transformation. 
     
     
       29. A maize plant, or its parts, wherein at least one ancestor of said maize plant is the maize plant, or its parts, of  claim 11 , said maize plant capable of expressing a combination of at least two 39D81 traits selected from the group consisting of: a relative maturity of approximately 82 based on the Comparative Relative Maturity Rating System for harvest moisture of grain, consistent high grain and silage yield, above average seedling vigor, very good drought tolerance, good dry down, very good root lodging resistance, very good husk cover, stable yield across environments, and is well suited to the Northwest, and Northeast regions of the United States and also to Canada including Ontario and Quebec. 
     
     
       30. A method for developing a maize plant in a maize plant breeding program using plant breeding techniques, which include employing a maize plant, or its parts, as a source of plant breeding material, comprising: obtaining the maize plant, or its parts, of  claim 11  as a source of said breeding material. 
     
     
       31. The maize plant breeding program of  claim 30  wherein plant breeding techniques are selected from the group consisting of: recurrent selection, backcrossing, pedigree breeding, restriction fragment length polymorphism enhanced selection, genetic marker enhanced selection, and transformation.